CN219433279U

CN219433279U - Medical garbage incineration treatment system

Info

Publication number: CN219433279U
Application number: CN202320621557.1U
Authority: CN
Inventors: 蒋云
Original assignee: Jiangsu Enfei Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Enfei Environmental Protection Equipment Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-28
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of medical waste treatment, in particular to a medical waste incineration treatment system, which comprises an incinerator, a secondary combustor, a cooling heat exchanger, a dry type absorbing device, a bag-type dust remover, a spray absorption tower, a fog water separator and a chimney which are sequentially communicated from left to right, wherein the incinerator comprises a furnace body, a partition plate is arranged in the furnace body to divide an inner cavity of the furnace body into a combustion chamber and an ash storage chamber, a plurality of through holes are formed in the partition plate, a spray gun and an oxygen supplementing fan are arranged outside the combustion chamber, a pulverizer is arranged at the front end of the incinerator and used for pulverizing medical waste, a discharge port of the pulverizer is communicated with a feed inlet of the combustion chamber through a screw conveyor, and a stirring component is arranged in the combustion chamber and used for stirring the medical waste; the utility model provides a medical waste incineration treatment system which is used for crushing medical waste before the medical waste enters an incinerator and stirring the medical waste crushed in the incinerator so as to ensure that the medical waste is fully combusted.

Description

Medical garbage incineration treatment system

Technical Field

The utility model relates to the technical field of medical waste treatment, in particular to a medical waste incineration treatment system.

Background

Medical waste, also known as medical waste, refers to waste produced by medical and health institutions in medical, preventive, health care and other related activities, which has direct or indirect infectivity, toxicity and other harmfulness, including cotton balls, gauze, disposable medical instruments, expired medicines and the like. Since medical waste contains a large amount of bacteria and viruses, it is necessary to treat the medical waste to avoid pollution of water, soil and air. The common medical waste treatment process is to burn medical waste, purify the flue gas generated in the burning process and finally discharge the flue gas into the atmosphere.

At present, the incineration of the medical waste in the existing medical waste treatment system is mainly performed in the incinerator, and the medical waste is quantitatively added into the incinerator, so that the medical waste can be accumulated in the incinerator, the medical waste is not fully contacted with air, particularly the inside of the medical waste is not easy to burn, the incineration effect is not only influenced, but also the incineration efficiency is influenced, the incompleteness of the incineration of the medical waste can further influence the purification of smoke, and the effect and the efficiency of the treatment of the medical waste are further influenced.

Disclosure of Invention

The utility model aims to solve the technical problems that: overcomes the defects in the prior art, and provides the medical waste incineration disposal system which pulverizes the medical waste before the medical waste enters the incinerator and simultaneously stirs the medical waste pulverized in the incinerator, thereby ensuring the medical waste to be fully combusted.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a medical waste burns processing system, includes from left to right the burning furnace that communicates in proper order, secondary combustor, cooling heat exchanger, dry-type absorbing device, sack cleaner, spray absorption tower, fog water separator and chimney, the burning furnace includes the stove body, this internal baffle that is equipped with of stove separates into combustion chamber and ash storage room with stove body inner chamber, a plurality of through-holes have been seted up on the baffle, be equipped with spray gun and oxygenating fan outside the combustion chamber, the front end of burning furnace is equipped with the crushing that the rubbing crusher is used for medical waste, the discharge gate of rubbing crusher passes through screw conveyer and the feed inlet intercommunication of combustion chamber, be equipped with the stirring subassembly in the combustion chamber and be used for the stirring of medical waste.

Further, the pulverizer comprises a case body, a pulverizing assembly is arranged in the case body and used for pulverizing medical waste, the pulverizing assembly comprises a pulverizing roller rotatably arranged in the case body and a pulverizing motor for driving the pulverizing roller to rotate, the number of the pulverizing rollers is two, the pulverizing rollers rotate in opposite directions, and the pulverizing motor is arranged on the rear side wall of the case body.

Further, a material guiding plate is arranged at the feed inlet of the box body, and the end part of the material guiding plate, which is far away from the feed inlet of the box body, extends to the position above the junction of the two crushing rollers.

Further, the roof of box articulates there is the emergency exit, the emergency exit is close to the feed inlet of box, the bottom surface and the guide plate contact of emergency exit.

Further, the stirring assembly comprises a stirring shaft rotatably installed in the combustion chamber, stirring rods uniformly distributed on the stirring shaft and a stirring motor for driving the stirring shaft to rotate, and the stirring motor is installed on the rear side wall of the combustion chamber.

Further, the ash storage chamber is internally provided with a cleaning assembly for cleaning ash accumulated in the ash storage chamber, the cleaning assembly comprises a push plate which is slidably arranged in the ash storage chamber, a screw rod which is respectively arranged at two ends of the push plate and is in threaded connection with the push plate, and a cleaning motor which drives the screw rod to rotate, and the cleaning motor is arranged on the front side wall of the ash storage chamber.

Further, the back side wall of the ash storage chamber is provided with a double door, and an observation window is arranged on the double door.

Further, an explosion-proof door is arranged on a communicating pipeline between the incinerator and the secondary combustor.

Further, a communication pipeline between the cooling heat exchanger and the dry type absorption device is connected to a communication pipeline between the bag-type dust remover and the spray absorption tower through a bypass pipe.

Further, the device also comprises a circulating bad water tank, wherein the circulating bad water tank comprises a sedimentation tank, a mixing tank and a clarification tank which are sequentially communicated from left to right, a liquid outlet of the spray absorption tower and a liquid outlet of the mist-water separator are respectively connected into the sedimentation tank, and a spray pipe in the spray absorption tower is connected into the clarification tank.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the medical waste is crushed by the crusher, so that the volume of the medical waste is reduced, the medical waste is more easy to burn, the crushed medical waste is uniformly conveyed into the incinerator by the screw conveyor, and the medical waste in the incinerator is stirred by the stirring assembly, so that the medical waste is fully contacted with air, the incineration effect and the incineration efficiency of the medical waste are further improved, and the treatment effect and the treatment efficiency of the medical waste are further improved;

(2) According to the utility model, the inner cavity of the furnace body is divided into the combustion chamber and the ash storage chamber by the partition plate, so that ash generated by combustion in the combustion chamber falls into the ash storage chamber, the influence of ash aggregation in the combustion chamber on the incineration effect is avoided, and the space of the combustion chamber is saved;

(3) According to the utility model, through the arrangement of the cleaning component, the automatic cleaning of ash in the ash storage chamber is realized, and the cleaning efficiency is high.

Drawings

The utility model will be further described with reference to the drawings and embodiments.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an internal view of the incinerator according to the present utility model;

FIG. 3 is a rear view of the incinerator of the present utility model;

FIG. 4 is a top view of the cleaning assembly of the present utility model;

FIG. 5 is an internal view of the pulverizer of the present utility model;

fig. 6 is a rear view of the pulverizer of the present utility model.

In the figure: 1. an incinerator; 1a, a furnace body; 2. a secondary burner; 3. a cooling heat exchanger; 4. a dry absorber; 5. a bag-type dust collector; 6. spraying an absorption tower; 7. a mist-water separator; 8. a chimney; 9. a partition plate; 9a, through holes; 10. a combustion chamber; 11. an ash storage chamber; 12. a spray gun; 13. an oxygen supplementing fan; 14. a pulverizer; 14a, a box body; 15. a screw conveyor; 16. a stirring assembly; 16a, a stirring shaft; 16b, stirring rod; 16c, a stirring motor; 17. a crushing assembly; 17a, crushing rollers; 17b, a crushing motor; 18. a material guiding plate; 19. a safety door; 20. a cleaning assembly; 20a, a push plate; 20b, a screw; 20c, a cleaning motor; 21. double door; 22. an observation window; 23. an explosion door; 24. a bypass pipe; 25. a bad pool; 25a, a sedimentation tank; 25b, a mixing tank; 25c, a clarification tank; 26. an induced draft fan; 27. an oil groove; 28. and (5) ash car.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.

As shown in fig. 1, the medical waste incineration treatment system comprises an incinerator 1, a secondary combustor 2, a cooling heat exchanger 3, a dry type absorbing device 4, a bag-type dust collector 5, a spray absorption tower 6, a mist-water separator 7 and a chimney 8 which are sequentially communicated from left to right, wherein the incinerator 1 comprises an incinerator body 1a, a partition plate 9 is arranged in the incinerator body 1a to divide an inner cavity of the incinerator body 1a into a combustion chamber 10 and an ash storage chamber 11, a plurality of through holes 9a are formed in the partition plate 9, a spray gun 12 and an oxygen supplementing fan 13 are arranged outside the combustion chamber 10, a pulverizer 14 is arranged at the front end of the incinerator 1 and used for pulverizing medical waste, a discharge port of the pulverizer 14 is communicated with a feed inlet of the combustion chamber 10 through a screw conveyor 15, and a stirring assembly 16 is arranged in the combustion chamber 10 and used for stirring the medical waste. The medical waste is crushed by the crusher 14, the volume of the medical waste is reduced, the medical waste is more easy to burn, the crushed medical waste is uniformly conveyed into the incinerator 1 by the screw conveyor 15, and the medical waste in the incinerator 1 is stirred by the stirring assembly 16, so that the medical waste is fully contacted with air, the incineration effect and the incineration efficiency of the medical waste are further improved, and the treatment effect and the treatment efficiency of the medical waste are further improved; the inner cavity of the furnace body 1a is divided into the combustion chamber 10 and the ash storage chamber 11 through the partition plate 9, so that ashes generated in the combustion chamber 10 fall into the ash storage chamber 11, the ashes are prevented from being accumulated in the combustion chamber 10 to influence the incineration effect, and the space of the combustion chamber 10 is saved. Specifically, the mist-water separator 7 is communicated with the chimney 8 through an induced draft fan 26, and a detection port 8a is arranged on the chimney 8 and is used for detecting whether the gas discharged from the chimney 8 meets the discharge standard; the aperture of the through hole 9a only allows ashes to pass through, but does not allow medical waste to pass through; the spray gun 12 is communicated with the oil groove 27, and the spray gun 12 sprays flame to burn the medical waste in the combustion chamber 10; the oxygen supplementing blower 13 supplements fresh oxygen in the combustion chamber 10 in real time to play a role in supporting combustion; the side wall of the secondary burner 2 is also provided with a lance 12, which lance 12 communicates with an oil sump 27; the secondary burner 2, the cooling heat exchanger 3, the dry type absorber 4, the bag-type dust collector 5, the spray absorption tower 6, the mist-water separator 7 and the screw conveyor 15 are all prior art, and the specific structure thereof will not be described in detail herein.

As shown in fig. 5 and 6, the pulverizer 14 includes a housing 14a, a pulverizing assembly 17 is provided in the housing 14a for pulverizing medical waste, the pulverizing assembly 17 includes a pulverizing roller 17a rotatably installed in the housing 14a and a pulverizing motor 17b for driving the pulverizing roller 17a to rotate, the pulverizing rollers 17a are two and rotate in opposite directions, and the pulverizing motor 17b is installed at a rear sidewall of the housing 14 a. Specifically, the bottom wall of the box 14a is obliquely arranged, so that the crushed medical waste can enter the feed inlet of the screw conveyor 15 through the discharge port of the box 14a by the self weight.

As shown in fig. 5, a material guiding plate 18 is provided at the feed inlet of the box 14a, and the end of the material guiding plate 18 away from the feed inlet of the box 14a extends above the junction of the two pulverizing rollers 17 a. The medical waste is guided to the junction of the two crushing rollers 17a through the material guiding plate 18, so that the crushing effect is improved. Specifically, the deflector plate 18 is disposed obliquely.

As shown in fig. 5, the top wall of the box 14a is hinged with a safety door 19, the safety door 19 is close to the feed inlet of the box 14a, and the bottom surface of the safety door 19 is in contact with the material guiding plate 18. By the arrangement of the safety door 19, medical waste is prevented from splashing out of the feed inlet of the box body 14a in the crushing process, so that the safety is improved. In order to reduce noise, sound absorbing cotton may be laid on the inner wall of the case 14 a. During charging, medical waste enters from a feed inlet of the box body 14a, the medical waste slides downwards along the guide plate 18 under the self gravity, and in the process of sliding downwards, the medical waste pushes the safety door 19, the safety door 19 rotates anticlockwise around the hinged position at the top end of the safety door 19, so that the medical waste pushes the safety door 19 open, and continuously slides downwards along the guide plate 18 to the junction of the two crushing rollers 17 a; after the end of the charging, the safety door 19 rotates clockwise around the hinge at the top end under the self weight of the safety door 19 and the safety door 19 is reset to be closed.

As shown in fig. 2 and 3, the stirring assembly 16 includes a stirring shaft 16a rotatably installed in the combustion chamber 10, stirring rods 16b uniformly distributed on the stirring shaft 16a, and a stirring motor 16c driving the stirring shaft 16a to rotate, the stirring motor 16c being installed at a rear sidewall of the combustion chamber 10. Specifically, the stirring rod 16b is T-shaped. During stirring, the stirring motor 16c drives the stirring shaft 16a and further synchronously drives the stirring rod 16b to rotate, so that stirring of medical waste in the combustion chamber 10 is realized.

As shown in fig. 2 and 4, the ash storage chamber 11 is provided therein with a cleaning assembly 20 for cleaning ash accumulated in the ash storage chamber 11, the cleaning assembly 20 includes a push plate 20a slidably installed in the ash storage chamber 11, screws 20b respectively provided at both ends of the push plate 20a and screwed to the push plate 20a, and a cleaning motor 20c driving the screws 20b to rotate, and the cleaning motor 20c is installed at a front sidewall of the ash storage chamber 11. Through the setting of cleaning assembly 20, realize the automatic cleaning to the ashes in the ash storage room 11, clean efficiently. Specifically, two ends of the push plate 20a are respectively connected with the left and right side walls of the ash storage chamber 11 in a sliding manner through slide blocks and slide rails; the back side wall of the ash storage chamber 11 is provided with a double door 21 for discharging ash in the ash storage chamber 11 during cleaning, and the double door 21 is provided with an observation window 22 for observing the thickness condition of the ash in the ash storage chamber 11.

As shown in fig. 1, an explosion door 23 is installed on a communication pipeline between the incinerator 1 and the secondary burner 2, so that the safety of the system is improved.

As shown in fig. 1, the communication pipeline between the temperature-reducing heat exchanger 3 and the dry type absorption device 4 is connected to the communication pipeline between the bag-type dust collector 5 and the spray absorption tower 6 through a bypass pipe 24. Through the setting of bypass pipe 24, when emergency (for example the temperature of cooling heat exchanger 3 exhaust flue gas exceeds 220 ℃) appears, cooling heat exchanger 3 exhaust flue gas directly gets into spray absorption tower 6 in the cooling, has further improved the security of system. Specifically, a valve is installed on the bypass pipe 24 to control the on-off of the bypass pipe 24.

As shown in fig. 1, the system further comprises a circulating bad pond 25, wherein the circulating bad pond 25 comprises a sedimentation pond 25a, a mixing pond 25b and a clarification pond 25c which are sequentially communicated from left to right, a liquid outlet of the spray absorption tower 6 and a liquid outlet of the mist-water separator 7 are respectively connected into the sedimentation pond 25a, and a spray pipe in the spray absorption tower 6 is connected into the clarification pond 25c. The arrangement of the circulating water tank 25 realizes the circulating use of alkaline water and saves the cost.

During operation, medical waste enters the box body 14a from the feed inlet of the box body 14a for crushing, crushed medical waste enters the screw conveyor 15 from the discharge outlet of the box body 14a, and is uniformly conveyed into the internal combustion chamber 10 for incineration by the screw conveyor 15, the medical waste in the combustion chamber 10 is continuously stirred by the stirring component 16 in the incineration process, ash produced in the combustion chamber 10 falls into the ash storage chamber 11 for storage, and is regularly cleaned by the cleaning component 20, flue gas produced in the combustion chamber 10 enters the secondary combustor 2 after combustion and oxidization, is pyrolyzed at high temperature in the secondary combustor 2 to achieve the effects of no peculiar smell, no foul smell and no smoke, then the flue gas enters the dry absorption device 4 after the temperature reduction, dioxin is adsorbed by utilizing the nitrate lime and the activated carbon and acid gas is removed, then the flue gas enters the bag dust remover 5 for dust removal, the flue gas after dust removal enters the spray collection tower 6 for removing harmful acid gas and cooling to about 180 ℃, the small water separation particles in the flue gas are removed, the flue gas is subjected to high temperature pyrolysis in the secondary combustor 2, the flue gas is finally discharged into the chimney 8 to meet the saturated water emission standard after the spray dust is discharged into the chimney 8, and the saturated flue gas is discharged into the chimney 8. Dust generated during the flue gas cleaning process is collected by the ash cart 28.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a medical waste incineration processing system, includes from left to right burning furnace (1), secondary combustor (2), cooling heat exchanger (3), dry-type absorbing device (4), sack cleaner (5), spray absorption tower (6), fog water separator (7) and chimney (8) that communicate in proper order, its characterized in that: the incinerator (1) comprises an incinerator body (1 a), a partition plate (9) is arranged in the incinerator body (1 a) to divide an inner cavity of the incinerator body (1 a) into a combustion chamber (10) and an ash storage chamber (11), a plurality of through holes (9 a) are formed in the partition plate (9), a spray gun (12) and an oxygen supplementing fan (13) are arranged outside the combustion chamber (10), a pulverizer (14) is arranged at the front end of the incinerator (1) and used for pulverizing medical waste, a discharge hole of the pulverizer (14) is communicated with a feed inlet of the combustion chamber (10) through a screw conveyor (15), and a stirring assembly (16) is arranged in the combustion chamber (10) and used for stirring the medical waste.

2. The medical waste incineration disposal system according to claim 1, wherein: the utility model provides a medical waste crushing machine, rubbing crusher (14) includes box (14 a), be equipped with crushing subassembly (17) in box (14 a) and be used for smashing medical waste, crushing subassembly (17) are including rotating crushing roller (17 a) and the drive crushing roller (17 a) pivoted crushing motor (17 b) of installing in box (14 a), crushing roller (17 a) are two, and rotate in opposite directions, the back lateral wall at box (14 a) is installed to crushing motor (17 b).

3. The medical waste incineration disposal system according to claim 2, wherein: the feeding port of the box body (14 a) is provided with a material guiding plate (18), and the end part of the material guiding plate (18) far away from the feeding port of the box body (14 a) extends to the upper part of the junction of the two crushing rollers (17 a).

4. A medical waste incineration disposal system according to claim 3, characterised in that: the top wall of the box body (14 a) is hinged with a safety door (19), the safety door (19) is close to a feed inlet of the box body (14 a), and the bottom surface of the safety door (19) is in contact with the material guiding plate (18).

5. The medical waste incineration disposal system according to claim 1, wherein: the stirring assembly (16) comprises a stirring shaft (16 a) rotatably installed in the combustion chamber (10), stirring rods (16 b) uniformly distributed on the stirring shaft (16 a) and a stirring motor (16 c) for driving the stirring shaft (16 a) to rotate, and the stirring motor (16 c) is installed on the rear side wall of the combustion chamber (10).

6. The medical waste incineration disposal system according to claim 1, wherein: the ash storage chamber (11) is internally provided with a cleaning assembly (20) for cleaning ash accumulated in the ash storage chamber (11), the cleaning assembly (20) comprises a push plate (20 a) which is slidably arranged in the ash storage chamber (11), a screw (20 b) which is respectively arranged at two ends of the push plate (20 a) and is in threaded connection with the push plate (20 a), and a cleaning motor (20 c) which is driven by the screw (20 b) to rotate, and the cleaning motor (20 c) is arranged on the front side wall of the ash storage chamber (11).

7. The medical waste incineration disposal system according to claim 6, wherein: the back side wall of the ash storage chamber (11) is provided with a double door (21), and an observation window (22) is arranged on the double door (21).

8. The medical waste incineration disposal system according to claim 1, wherein: an explosion door (23) is arranged on a communicating pipeline between the incinerator (1) and the secondary combustor (2).

9. The medical waste incineration disposal system according to claim 1, wherein: the communication pipeline between the cooling heat exchanger (3) and the dry type absorption device (4) is connected to the communication pipeline between the bag-type dust collector (5) and the spray absorption tower (6) through a bypass pipe (24).

10. The medical waste incineration disposal system according to claim 1, wherein: the device is characterized by further comprising a circulating bad pond (25), wherein the circulating bad pond (25) comprises a sedimentation pond (25 a), a mixing pond (25 b) and a clarification pond (25 c) which are sequentially communicated from left to right, a liquid outlet of the spray absorption tower (6) and a liquid outlet of the mist-water separator (7) are respectively connected into the sedimentation pond (25 a), and a spray pipe in the spray absorption tower (6) is connected into the clarification pond (25 c).